.applet_middle_page {
  background-color: #f5f5f5;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-size: 100% 100%;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  color: #4d76fb;
  img {
    width: 100%;
    height: 100%;
    vertical-align: bottom;
  }
}
